Izibonelo eziyi-18 zemibuzo yoMthetho Wegesi Ofanele
1. Igesi elifanele esikhaleni ekuqaleni linomthamo u-V kanye nokushisa u-T. Uma igesi ishiswa ngendlela yokuthi izinga lokushisa lishintshe libe ngu-5/4 T futhi ingcindezi ishintshe ibe ngu-2P khona-ke umthamo wegesi ushintshela...
Ingxoxo
I-Diketahui :
Ivolumu yokuqala (V)1) = V
Izinga lokushisa lokuqala (T)1) = T
Izinga lokushisa lokugcina (T)2) = 5/4 T
Ingcindezi yokuqala (P)1) = P
Ingcindezi yokugcina (P)2) = 2P
Kubuziwe : Umqulu wokugcina (V)2)
Jawab :
Umthamo wegesi ushintsha ube izikhathi ezi-5/8 kunomthamo wokuqala.
2. Umthamo wama-mole amabili egesi ekushiseni okujwayelekile kanye nokucindezela (STP)…
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I-Diketahui :
Inani lama-moles egesi (n) = ama-moles amabili
Izinga lokushisa elijwayelekile (T) = 0 oC = 0 + 273 = 273 Kelvin
Ukucindezela okujwayelekile (P) = 1 atm = 1,013 x 105 Easter
I-Universal gas constant (R) = 8,315 Joules/mol.Kelvin
Kubuziwe : Umthamo wegesi (V)
Jawab :
Umthetho Wegesi Ofanele (ngenani lama-moles, n)
Umthamo wama-moles amabili egesi ungamalitha angu-44,8.
Umthamo we-mole eyi-1 yegesi ungamalitha angu-45,4 / 2 = amalitha angu-22,4.
Ngakho-ke umthamo we-1 mole yegesi, kungaba yi-oxygen noma i-helium noma i-argon noma enye igesi, ungamalitha angu-22,4.
3. Amalitha ama-4 egesi yomoya-mpilo ekushiseni okungu-27°C ekucindezelweni okungu-2 atm (1 atm = 105 I-Pa) isesitsheni. Uma i-universal gas constant R = 8,314 J.mol-1.K-1 kanye nenombolo ka-Avogadro u-NA 6,02 x 1023 ama-molecule, khona-ke inani lama-molecule egesi ye-oxygen esitsheni...
Ingxoxo
I-Diketahui :
Umthamo wegesi (V) = amalitha angu-4 = 4 dm3 = 4 x10-3 m3
Izinga lokushisa legesi (T) = 27oC = 27 + 273 = 300 Kelvin
Umfutho wegesi (P) = 2 atm = 2 x 105 Easter
I-gesi engaguquki yonke (R) = 8,314 J.mol-1.K-1
Inombolo ka-Avogadro (N)A) = 6,02 x 1023
Kubuziwe : Inani lama-molecule egesi ye-oxygen esitsheni (N)
Jawab :
I-Boltzmann's njalo :
Umthetho Wegesi Ofanele (ngenani lama-molecule, N)
Ku-1 mole yegesi ye-oxygen, kukhona u-1,93 x 1023 ama-molecule e-oxygen.
4. Isitsha esiqukethe igesi ye-neon (Ne, isisindo se-athomu = 20 u) ekushiseni okujwayelekile kanye nokucindezela (STP) sinomthamo ongu-2 m3Thola isisindo segesi ye-neon!
I-Diketahui :
Isisindo se-athomu ye-Neon = 20 amagremu/mol = 0,02 kg/mol
Izinga lokushisa elijwayelekile (T) = 0oC = 273 Kelvin
Ukucindezela okujwayelekile (P) = 1 atm = 1,013 x 105 Easter
Umthamo (V) = 2 m3
Kubuziwe : isisindo (m) segesi ye-neon
Jawab :
Ekushiseni okujwayelekile kanye nokucindezela (STP), i-mole eyi-1 yanoma iyiphi igesi, kufaka phakathi igesi ye-neon, inomthamo wamalitha angu-22,4 = 22,4 dm3 = 0,0448m3Ngakho-ke, ngomthamo ongu-2 m3 Zingaki ama-moles egesi ye-neon akhona?
Kuvolumu engu-2 m3 kunezinhlayiya zegesi ye-neon ezingama-44,6.
Isisindo se-athomu segesi ye-neon singamagremu angu-20/mol. Lokhu kusho ukuthi i-mole eyodwa iqukethe amagremu angu-20 noma u-0,02 kg wegesi ye-neon. Njengoba i-mole eyodwa iqukethe u-0,02 kg wegesi ye-neon, ama-moles angu-44,6 aqukethe (ama-moles angu-44,6)(0,02 kg/mol) = 0,892 kg = 892 amagremu wegesi ye-neon.
5. Imibuzo Yokuhlolwa Kazwelonke Ye-SMA/MA ka-2017 No. 22
Igesi efanelekile ifakwa esitsheni esivaliwe, futhi ivolumu yayo yehliswa ngesigamu ekushiseni okulinganayo. Umfutho wegesi manje…
A. Okuyisiqalo okuphindwe kasithupha
B. Okuyisiqalo okuphindwe kahlanu
C. Okuqanjiwe okuphindwe kane
D. 1/2 izikhathi zokuqala
E. 1/4 yombhalo wokuqala
Ingxoxo
Kuyaziwa ukuthi:
Umthamo wokuqala = V
Umthamo wokugcina = 1/2 V
Ingcindezi yokuqala = P
Izinga lokushisa elihlala njalo
Kubuziwe: Ingcindezi yokugcina
Impendulo:
P1 V1 /T1 =P2 V2 /T2 —–> Izinga lokushisa elingaguquki (T)
P1 V1 =P2 V2
P V =P2 (1/2 V)
P =P2 (1 / 2)
2P =P2
Umfutho wegesi uphinda kabili.
Impendulo efanele ingu-B.
6. Umbuzo Wokuhlolwa Kazwelonke We-SMA/MA We-Fiziksi We-2015/2016 Inombolo 21
Naka isitatimende esingezansi!
(1) Inhlayiya ngayinye ihlala ihamba ngendlela ethile
(2) Izinhlayiya zegesi zisakazeka ngokulinganayo kulo lonke igumbi.
(3) Usayizi wezinhlayiya zegesi ungashaywa indiva uma kuqhathaniswa nosayizi wesitsha.
(4) Ukungqubuzana ngakunye kwezinhlayiya zegesi okwenzekayo kuyanwebeka ngokuphelele.
(5) Amandla akhangayo phakathi kwezinhlayiya ayacatshangelwa.
Isitatimende esihambisana nezakhiwo zamagesi afanele sithi…
A. (1) kanye no-(3) kuphela
B. (2) kanye (4) kuphela
C. (1), (2) kanye no-(3) kuphela
D. (2), (3) kanye no (4)
E. (3), (4) kanye no-(5)
Ingxoxo
Izitatimende ezifanele yi-1, 2, 3, 4.
7. Umbuzo Wokuhlolwa Kazwelonke We-SMA/MA We-Fiziksi We-2015/2016 Inombolo 21
Nazi izinto ezihlobene negesi:
(1) Izinhlayiya zezinto zihamba ngendlela eqondile ngesivinini esingaguquki ngokungahleliwe.
(2) Ukushayisana okwenzeka phakathi kwezinhlayiya kubangela ukuthi izinhlayiya zilahlekelwe amandla amancane.
(3) Izinhlayiya zegesi zisakazeka ngokulinganayo kulo lonke igumbi.
(4) Imithetho kaNewton yokuhamba isebenza kuphela ezinhlayiyeni zegesi ze-monatomic.
(5) Isikhathi esidingekayo sokushayisana phakathi kwezinhlayiya sifushane kakhulu.
Kusukela kulezi zitatimende, izakhiwo zamagesi afanele zifaka phakathi...
A. (1), (2), (5)
B. (1), (3), (5)
C. (2), (3), (4)
D. (2), (4), (5)
E. (3), (4), (5)
Ingxoxo
Izitatimende ezifanele ziyi-1, 3, 5.
Impendulo efanele ingu-B.
8. Umbuzo Wokuhlolwa Kazwelonke We-SMA/MA We-Fiziksi We-2015/2016 Inombolo 21
(1) Igesi yakhiwa izinhlayiya ezisatshalaliswa ngokulinganayo.
(2) Ukushayisana kwezinhlayiya nezindonga kunwebeka ngokuphelele.
(3) Isikhathi esiphakathi kokushayisana phakathi kwezinhlayiya sifushane kakhulu.
(4) Umthamo wegesi mkhulu kakhulu uma uqhathaniswa nesitsha lapho ukhona khona.
(5) Imithetho kaNewton ayisebenzi kuma-molecule ngoba usayizi wawo mncane kakhulu.
Isitatimende esinembile sithi…
A. (1), (2), kanye (3)
B. (1), (2), kanye (4)
C. (1), (3), kanye no-(5)
D. (2), (3), kanye (5)
E. (3, (4), kanye no-(5)
Ingxoxo
Izitatimende ezifanele ziyi-1, 2, 3.
Impendulo efanele ngu-A.
9. Umbuzo Wokuhlolwa Kazwelonke We-SMA/MA We-Fiziksi We-2015/2016 Inombolo 22
Igesi efanelekile iqala ithathe isikhala esinevolumu V ekushiseni okungu-T kanye nengcindezi engu-P. Uma igesi ishiswa ngendlela yokuthi izinga lokushisa layo libe ngu-3/2 T kanye nengcindezi yayo engu-4/3 P, khona-ke ivolumu yegesi iba...
A. 9/8 V
B. 9/5 V
C. 5/3 V
D. 4/3 V
E. 3/2 V
Ingxoxo
Kuyaziwa ukuthi :
Umthamo wokuqala (V 1 ) = V
Izinga lokushisa lokuqala (T1 ) = T
Ingcindezi yokuqala (P 1 ) = P
Izinga lokushisa lokugcina (T)2) = 3/2 T
Ukucindezela kokugcina (P 2 ) = 4/3 P
Kubuziwe : Umqulu wokugcina (V)2)
Impendulo :

Impendulo efanele ngu-A.
10. Umbuzo Wokuhlolwa Kazwelonke We-SMA/MA We-Fiziksi We-2015/2016 Inombolo 22
Igesi efanelekile ithatha isikhala esinomthamo ongu-V.1 ekushiseni T1 kanye nokucindezela P1Bese kufudunyezwa kuze kube yilapho ivolumu yegesi iba ngu-4/3 V1 futhi ingcindezi iba ngu-5/2 P1. Isilinganiso samazinga okushisa egesi yokugcina kanye negesi yokuqala...
A. 10: 5
B. 10: 3
C. 5: 10
D. 3: 10
Isahluko 1: 8
Ingxoxo
Kuyaziwa ukuthi :
Umthamo wokuqala = V1
Izinga lokushisa lokuqala = T1
Ingcindezi yokuqala = P1
Umqulu wokugcina = 4 / 3 V1
Ingcindezi yokugcina = 5/2 P1
Kubuziwe : Ukuqhathaniswa kwezinga lokushisa lokugcina kanye nezinga lokushisa lokuqala
Impendulo :
Bala izinga lokushisa lokugcina:

Impendulo efanele ingu-B.
11. Ingqikithi yamalitha amathathu egesi i-Argon ekushiseni okungu-27°C ekucindezelweni okungu-1 atm (1 atm = 105 I-Pa) isepayipini. Uma i-universal gas constant R = 8,314 J.mol-1.K-1 futhi inani lezinhlayiya ku-1 mole yegesi lingu-6,02 x 1023 izinhlayiya, khona-ke inani lezinhlayiya zegesi i-Argon epayipini...
A. 0,83 x 10 23 inhlayiya
B. 0,72 x 10 23 inhlayiya
C. 0,42 x 10 23 inhlayiya
D. 0,22 x 10 23 inhlayiya
E. 0,12 x 10 23 inhlayiya
Ingxoxo
Kuyaziwa ukuthi :
Umthamo wegesi = amalitha ama-3 = 3 dm3 = 3 x10-3 m3
Izinga lokushisa legesi = 27oC + 273 = 300 K
Umfutho wegesi = 1 atm = 105 Pa
I-gesi engaguquki yonke (R) = 8,314 J.mol-1 .K-1
Inombolo ka-Avogadro (N)A) = 6,02 x 1023 ama-molecule/i-mol
Kubuziwe : inani lezinhlayiya zegesi ye-argon epayipini
Impendulo :

12. Igesi efanelekile isesitsheni esivaliwe esinengcindezi u-P, ivolumu u-V, kanye nezinga lokushisa u-T. Uma ngesinye isikhathi izinga lokushisa lishintshwa libe ngu-2T, kanye nevolumu libe ngu-3/2 V, khona-ke isilinganiso sengcindezi yokuqala (P)1) ngokucindezela kokugcina (P2) ngemva kokuthi u-V no-T beshintshiwe kuba….
A. 1: 3
B. 1: 2
C. 2: 3
D. 3: 4
Isahluko 4: 3
Ingxoxo
Kuyaziwa ukuthi:
Ingcindezi yokuqala (P 1 ) = P
Umthamo wokuqala (V 1 ) = V
Umqulu wokugcina (V)2) = 3/2 V
Izinga lokushisa lokuqala (T1 ) = T
Izinga lokushisa lokugcina (T2 ) = 2T
Kubuziwe: Ukuqhathaniswa kwengcindezi yokuqala (P)1) kanye nokucindezela kokugcina (P2)
Impendulo:

Ukuqhathaniswa kwengcindezi yokuqala neyokugcina:
Ikhasi 1 : Ikhasi 2
P: 4P/3
1 : 4/3
3 (1): (3) 4/3
3: 4
Impendulo efanele ngu-D.
13. Igesi ye-oksijini enevolumu V, izinga lokushisa T, kanye nengcindezi P ikwisilinda evalwe yivalvu. Uma ivalvu icindezelwa, ivolumu ye-oksijini iba ngu-3/4 V bese izinga lokushisa liba ngu-3/2 T, bese isilinganiso sengcindezi yokuqala kanye nengcindezi yokugcina yegesi….
A. P1 :P2 = 1 : 2
B. P1 :P2 = 2 : 3
C.P1 :P2 = 3 : 2
D.P1 :P2 = 3 : 4
E.P1 :P2 = 4 : 3
Ingxoxo
Kuyaziwa ukuthi:
Ingcindezi yokuqala (P 1 ) = P
Umthamo wokuqala (V 1 ) = V
Umqulu wokugcina (V)2) = 3/4 V
Izinga lokushisa lokuqala (T1 ) = T
Izinga lokushisa lokugcina (T)2) = 3/2 T
Kubuziwe: Ukuqhathaniswa kwengcindezi yokuqala (P)1) kanye nokucindezela kokugcina (P2)
Impendulo:

Ukuqhathaniswa kwengcindezi yokuqala neyokugcina:
Ikhasi 1 : Ikhasi 2
1: 2
Impendulo efanele ngu-A.
14. Naka igrafu yobudlelwano phakathi kobuningi bomzimba (ρ) kanye nomthamo (V) wamagesi alandelayo!
Ipheya lamagesi anobunzima obufanayo…


Ingxoxo
Ifomula yobuningi:
Ubuningi (ρ) = isisindo (m) / Umthamo (V)
Isisindo (m) = ukuminyana (ρ) x Ivolumu (V)
1) m = (0,8)(2) = 1,6 kg
2) m = (0,8)(4) = 3,2 kg
3) m = (0,4)(4) = 1,6 kg
4) m = (0,4)(5) = 2 kg
5) m = (0,8)(5) = 4 kg
Amagesi amabili anobunzima obufanayo angu-1 no-3.
15. Igesi elifanele lisesitsheni esivaliwe esinengcindezi u-P, ivolumu u-V, kanye nezinga lokushisa u-T. Uma ngesinye isikhathi izinga lokushisa lishintshwa libe ngu-2T, kanye nevolumu libe ngu-3/2 V, khona-ke isilinganiso sengcindezi yokuqala (P)1) ngokucindezela kokugcina (P2) ngemva kokuthi u-V no-T beshintshiwe kuba….
A. 1: 3
B. 1: 2
C. 2: 3
D. 3: 4
Isahluko 4: 3
Ingxoxo
Kuyaziwa ukuthi:
Ingcindezi yokuqala (P)1) = P
Ivolumu yokuqala (V)1) = V
Umqulu wokugcina (V)2) = 3/2 V
Izinga lokushisa lokuqala (T)1) = T
Izinga lokushisa lokugcina (T)2) = 2T
Kubuziwe: Ukuqhathaniswa kwengcindezi yokuqala (P)1) kanye nokucindezela kokugcina (P2)
Impendulo:
Ukuqhathaniswa kwengcindezi yokuqala neyokugcina:
P1 :P2
P: 4P/3
1 : 4/3
3 (1): (3) 4/3
3: 4
Impendulo efanele ngu-D.
16. Igesi ye-oksijini enevolumu V, izinga lokushisa T, kanye nengcindezi P ikwisilinda evalwe yivalvu. Uma ivalvu icindezelwa, ivolumu ye-oksijini iba ngu-3/4 V bese izinga lokushisa liba ngu-3/2 T, bese isilinganiso sengcindezi yokuqala kanye nengcindezi yokugcina yegesi….
A. P1 :P2 = 1 : 2
B. P1 :P2 = 2 : 3
C.P1 :P2 = 3 : 2
D.P1 :P2 = 3 : 4
E.P1 :P2 = 4 : 3
Ingxoxo
Kuyaziwa ukuthi:
Ingcindezi yokuqala (P)1) = P
Ivolumu yokuqala (V)1) = V
Umqulu wokugcina (V)2) = 3/4 V
Izinga lokushisa lokuqala (T)1) = T
Izinga lokushisa lokugcina (T)2) = 3/2 T
Kubuziwe: Ukuqhathaniswa kwengcindezi yokuqala (P)1) kanye nokucindezela kokugcina (P2)
Impendulo:
Ukuqhathaniswa kwengcindezi yokuqala neyokugcina:
P1 :P2
P: 2P
1: 2
Impendulo efanele ngu-A.
17. Amalitha ama-2 egesi yomoya-mpilo (O2)2) izinga lokushisa 30 oC ekucindezelweni okungu-1 atm (1 atm = 105 I-Pa) isepayipini. Uma igesi iyinto engaguquki yonke, i-R = 8,314 J mol-1 K-1 futhi inani lama-molecule ku-1 mole yegesi lingu-6,02 x 1023 ama-molecule, bese kuba inani lama-molecule egesi ye-oxygen (O2)2) epayipini kukhona…
A. 0,8 x 1023 i-molecule
B. 0,7 x 1023 i-molecule
C. 0,5 x 1023 i-molecule
D. 0,2 x 1023 i-molecule
E. 0,1 x 1023 i-molecule
Ingxoxo:
I-Diketahui :
I-VO2 = 2 amalitha = 2 dm3 = 2 x10-3 m3
T = 30 + 273 = 303 K
PAtm = 105 Pa = 105 N / m2
NA = 6,02 x1023 ama-molecule/i-mol (Inombolo ka-Avogadro)
R = 8,314 J mol-1 K-1
k = R/NA = 8,314/6,02 x 1023 = 1,38 x10-23 J/K
Isisindo sama-molecule sika-O2 = 32 amagremu/mol = 32 kg/mol
Kubuziwe :
Inani lama-molecule egesi ye-oxygen (O2)2)
Jawab :
I-PV = NkT
Incazelo: P = ingcindezi, V = ivolumu, N = inani lama-molecule, k = i-Boltzmann engaguquki
(105 N / m2)(2 x 10-3 m3) = N(1,38 x 10-23 J/K(303 K)
Impendulo efanele ngu-C.
18. Umthamo wamagremu ama-2 wegesi yomoya-mpilo O2 (Mnu = 32) ezimweni ezijwayelekile (T = 0 oC kanye no-P = 1 atm) ngu…. R = 8,314 J/mol K, 1 atm = 105 Pa) kuyinto…
A. 1,4 m3
B. 2,0 m3
C. 2,3 m3
D. 2,5 m3
E. 3,0 m3
Ingxoxo:
I-Diketahui :
Isisindo O2 = 2 amagremu
Isisindo sama-molecule (Mnu.) O2 = 32 amagremu/mol
T = 0 + 273 = 273 K
P=105 N / m2
R = 8.314 J/mol K
Kubuziwe :
Ivolumu?
Jawab :
Umthombo wombuzo:
Imibuzo Yefiziksi Yezivivinyo Zikazwelonke Zesikole Samabanga Aphezulu/Isikole Samabanga Aphezulu Sokufundela Umsebenzi